SpringIOCLab--属性注入

package org.niit.springioc.example1;import java.io.Serializable;import java.util.List;import java.util.Map;import java.util.Set;/**女孩拥有各种类型的猫对象*/public class Girl implements Serializable {private String name;private Cat cat;private Cat[] cats;private List<Cat> catList;private Set<Cat> catSet;private Map<String,Cat> catMap;public Girl() {super();}public Girl(String name, Cat cat, Cat[] cats, List<Cat> catList,Set<Cat> catSet, Map<String, Cat> catMap) {super();this.name = name;this.cat = cat;this.cats = cats;this.catList = catList;this.catSet = catSet;this.catMap = catMap;}public String getName() {return name;}public void setName(String name) {this.name = name;}public Cat getCat() {return cat;}public void setCat(Cat cat) {this.cat = cat;}public Cat[] getCats() {return cats;}public void setCats(Cat[] cats) {this.cats = cats;}public List<Cat> getCatList() {return catList;}public void setCatList(List<Cat> catList) {this.catList = catList;}public Set<Cat> getCatSet() {return catSet;}public void setCatSet(Set<Cat> catSet) {this.catSet = catSet;}public Map<String, Cat> getCatMap() {return catMap;}public void setCatMap(Map<String, Cat> catMap) {this.catMap = catMap;}}

 

package org.niit.springioc.example1;import java.io.Serializable;public class Cat implements Serializable {private String id;private String color;public Cat(String id, String color) {super();this.id = id;this.color = color;}public String getColor() {return color;}public void setColor(String color) {this.color = color;}public Cat() {super();}public Cat(String id) {super();this.id = id;}public String getId() {return id;}public void setId(String id) {this.id = id;}public void action(){System.out.println("懒猫"+this.id+"在睡觉...");}}

 

配置文件一：

<?xml version="1.0" encoding="UTF-8"?><beansxmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns:p="http://www.springframework.org/schema/p"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd"><!-- 本实例演示：1.属性注入2.构造注入3.bean引用4.对象单个属性的注入5.对数组属性的注入 --><bean class="org.niit.springioc.example1.Girl" name="girl"><property name="name" value="玛丽"></property><property name="cat" ref="cat1"></property><property name="cats"><list><ref bean="cat1"/><ref bean="cat2"/><bean class="org.niit.springioc.example1.Cat"><property name="id" value="smalltigger3"></property><property name="color" value="white"></property></bean></list></property></bean><bean class="org.niit.springioc.example1.Cat" name="cat1"><property name="id" value="smalltiger1"></property><property name="color" value="white"></property></bean><bean class="org.niit.springioc.example1.Cat" name="cat2"><constructor-arg index="0" value="smalltigger2"></constructor-arg><constructor-arg index="1" value="black"></constructor-arg></bean></beans>

 

配置文件二:

<?xml version="1.0" encoding="UTF-8"?><beansxmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns:p="http://www.springframework.org/schema/p"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd"><!-- 本实例演示：集合的注入 --><bean class="org.niit.springioc.example2.Girl" name="girl" scope="singleton" init-method="initilize" destroy-method="destroy"><property name="name" value="玛丽"></property><property name="catList"><list><ref bean="cat1"/><ref bean="cat2"/></list></property><property name="catSet"><set><ref bean="cat1"/><ref bean="cat2"/></set></property><property name="catMap"><map><entry key="cat1" value-ref="cat1"></entry><entry key="cat2" value-ref="cat2"></entry></map></property></bean><bean class="org.niit.springioc.example2.Cat" name="cat1"><property name="id" value="smalltiger1"></property><property name="color" value="white"></property></bean><bean class="org.niit.springioc.example2.Cat" name="cat2"><constructor-arg index="0" value="smalltigger2"></constructor-arg><constructor-arg index="1" value="black"></constructor-arg></bean></beans>

 

测试代码一:

package org.niit.springioc.example1;import org.springframework.beans.factory.BeanFactory;import org.springframework.beans.factory.xml.XmlBeanFactory;import org.springframework.context.ApplicationContext;import org.springframework.context.support.ClassPathXmlApplicationContext;import org.springframework.core.io.ClassPathResource;import org.springframework.core.io.Resource;public class Client1 {private static BeanFactory bf = null;private static ApplicationContext appCxt = null;private static ApplicationContext getAppCxt(){if (appCxt==null){/*实例化ApplicationContext接口对象的多种方式*///appCxt = new FileSystemXmlApplicationContext("c://applicationContext.xml");appCxt=new ClassPathXmlApplicationContext("org/niit/springioc/example1/applicationContext.xml");;}return appCxt;}private static BeanFactory getBeanFactory(){if (bf==null){Resource res = new ClassPathResource("org/niit/springioc/example1/applicationContext.xml");bf = new XmlBeanFactory(res);}return bf;}/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubClient1 c =new Client1();BeanFactory bf = c.getBeanFactory();Girl girl = (Girl)bf.getBean("girl");System.out.println(girl.getName()+"有"+girl.getCats().length+"只猫");for (Cat cat : girl.getCats()) {cat.action();}}}

 

测试代码二:

package org.niit.springioc.example2;import org.springframework.beans.factory.BeanFactory;import org.springframework.beans.factory.xml.XmlBeanFactory;import org.springframework.context.ApplicationContext;import org.springframework.context.support.AbstractApplicationContext;import org.springframework.context.support.ClassPathXmlApplicationContext;import org.springframework.core.io.ClassPathResource;import org.springframework.core.io.Resource;public class Client1 {private static BeanFactory bf = null;private static ApplicationContext appCxt = null;private static ApplicationContext getAppCxt(){if (appCxt==null){/*实例化ApplicationContext接口对象的多种方式*///appCxt = new FileSystemXmlApplicationContext("c://applicationContext.xml");appCxt=new ClassPathXmlApplicationContext("org/niit/springioc/example2/applicationContext.xml");;}return appCxt;}private static BeanFactory getBeanFactory(){if (bf==null){Resource res = new ClassPathResource("org/niit/springioc/example2/applicationContext.xml");bf = new XmlBeanFactory(res);}return bf;}/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubClient1 c =new Client1();appCxt = c.getAppCxt();Girl girl = (Girl)appCxt.getBean("girl");//测试Set//System.out.println(girl.getName()+"有"+girl.getCatSet().size()+"只猫");//for (Cat cat : girl.getCatSet()) {//cat.action();//}//测试MapSystem.out.println(girl.getName()+"有"+girl.getCatMap().size()+"只猫");for (String key : girl.getCatMap().keySet()) {girl.getCatMap().get(key).action();}//((AbstractApplicationContext)appCxt).close();//一般只有Servlet容器或者EJB容器才会执行该方法}}